The Harvard classics : volume 2, the apology, phaedo and crito of Plato; the golden sayings of Epictetus; the meditations of Marcus Aurelius
P. F. Collier & Son Corporation, 1959
 Buku Referensi
Bluck, R.S
Plato's phaedo: a translation of plato's phaedo with intoduction, notes and appendices / R.S. Bluck
Routledge & Kegan Paul, Ltd, 1955
 Buku Teks SO
Posthuman dialogues in international relations
Erika Cudworth, Stephen Hobden and Emilian Kavalski, editors
Routledge, Taylor & Francis Group, 2018
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Smarandache, Florentin
Neutrosophic dialogues / Florentin Smarandache
Xiquan, 2004
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Chambers, Iain
Border dialogues: journeys in postmodernity
Routledge, 1990
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